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MediumCardiologyHeart Failure with Reduced Ejection Fractionus-abimus-usmle-step-2us-usmle-step-3

A 64-year-old with symptomatic HFrEF (LVEF 30%) is on maximally tolerated ACE inhibitor, evidence-based beta-blocker, and spironolactone. BP 120/70, eGFR 70. Which medication class should be added to complete foundational therapy?

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